| 4501 | LEISE P | Mercer County, PA | Gas Property | Dec 2024 |
| 4502 | LEMLEY | Monongalia County, WV | Oil & Gas Property | Dec 2017 |
| 4503 | LEMMON | Westmoreland County, PA | Gas Property | Dec 2024 |
| 4504 | LEMOREVIEW FARMS | Bradford County, PA | Gas Property | Sep 2025 |
| 4505 | LENAPE HEIGHTS | Armstrong County, PA | Gas Property | Sep 2025 |
| 4506 | LENDRUM L | Venango County, PA | Oil & Gas Property | Dec 2024 |
| 4507 | LENORA N BEATTY | Westmoreland County, PA | Oil & Gas Property | Dec 2024 |
| 4508 | LEOLA ATKINS | Warren County, PA | Oil & Gas Property | Dec 2024 |
| 4509 | LEON B MYERS | Venango County, PA | Gas Property | Dec 2024 |
| 4510 | LEON DWINGA | Clarion County, PA | Gas Property | Dec 2024 |
| 4511 | LEON G WOLFGANG | Clarion County, PA | Gas Property | Dec 2024 |
| 4512 | LEONARD | Indiana County, PA | Gas Property | Sep 2025 |
| 4513 | LEONARD | Susquehanna County, PA | Gas Property | Sep 2025 |
| 4514 | LEONARD | Clarion County, PA | Gas Property | Dec 2024 |
| 4515 | LEONARD M | Indiana County, PA | Gas Property | Dec 2024 |
| 4516 | LEONARD R WORK ET | Indiana County, PA | Gas Property | Dec 2024 |
| 4517 | LEONARD WALTERS | Jefferson County, PA | Gas Property | Dec 2024 |
| 4518 | LEOTA WARR | Indiana County, PA | Gas Property | Dec 2024 |
| 4519 | LEPLEY | Tioga County, PA | Gas Property | Sep 2025 |
| 4520 | LERCH | Clarion County, PA | Gas Property | Dec 2024 |
| 4521 | LERNER G | Susquehanna County, PA | Gas Property | Sep 2025 |
| 4522 | LEROY FREDERICK | Warren County, PA | Oil & Gas Property | Dec 2024 |
| 4523 | LEROY SHROCK | Armstrong County, PA | Gas Property | Dec 2024 |
| 4524 | LEROY STEFFY | Armstrong County, PA | Gas Property | Dec 2024 |
| 4525 | LESLIE | Warren County, PA | Gas Property | Dec 2024 |
| 4526 | LESLIE BERESNYAK | Indiana County, PA | Gas Property | Dec 2024 |
| 4527 | LESLIE J HILTY | Indiana County, PA | Gas Property | Dec 2024 |
| 4528 | LESLIE S KELLY | Westmoreland County, PA | Oil & Gas Property | Dec 2024 |
| 4529 | LESNEY UNIT 5H | Butler County, PA | Gas Property | Sep 2025 |
| 4530 | LESNICK JOHN 11170 | Washington County, PA | Gas Property | Sep 2025 |
| 4531 | LESTER F HARKLEROAD | Armstrong County, PA | Gas Property | Dec 2023 |
| 4532 | LESTER NOLL | Warren County, PA | Gas Property | Dec 2024 |
| 4533 | LESTER UNIT | Fayette County, PA | Gas Property | Sep 2025 |
| 4534 | LESTER WOIDECK (392) | Venango County, PA | Oil Property | Dec 2024 |
| 4535 | LETTERS | Armstrong County, PA | Gas Property | Dec 2024 |
| 4536 | LEVI BEAMER | Westmoreland County, PA | Gas Property | Dec 2024 |
| 4537 | LEVI E. MILLER ETUX | Indiana County, PA | Gas Property | Dec 2024 |
| 4538 | LEVIN PROJECT 1 | McKean County, PA | Oil & Gas Property | Dec 2024 |
| 4539 | LEWELLEN | Fayette County, PA | Gas Property | Dec 2024 |
| 4540 | LEWIS | Clarion County, PA | Oil & Gas Property | Dec 2024 |
| 4541 | LEWIS | Greene County, PA | Gas Property | Sep 2025 |
| 4542 | LEWIS B CUNNINGHAM | Jefferson County, PA | Gas Property | Dec 2024 |
| 4543 | LEWIS D 0 | Susquehanna County, PA | Gas Property | Sep 2025 |
| 4544 | LEWIS KUSS | Erie County, PA | Gas Property | Dec 2024 |
| 4545 | LEWIS-DOUGLAS | Indiana County, PA | Gas Property | Dec 2024 |
| 4546 | LEYO | Clearfield County, PA | Gas Property | Dec 2024 |
| 4547 | LF WATSON | Warren County, PA | Oil & Gas Property | Dec 2024 |
| 4548 | LIBERATO BEA | Beaver County, PA | Oil & Gas Property | Sep 2025 |
| 4549 | LICHANEC | Armstrong County, PA | Gas Property | Dec 2024 |
| 4550 | LICK RUN | Tioga County, PA | Gas Property | Sep 2025 |
| 4551 | LIEBEL | Westmoreland County, PA | Gas Property | Dec 2024 |
| 4552 | LIGHTCAP | Indiana County, PA | Oil & Gas Property | Dec 2024 |
| 4553 | LIGHTCAP N | Bradford County, PA | Gas Property | Sep 2025 |
| 4554 | LIGHTNER | Armstrong County, PA | Gas Property | Dec 2024 |
| 4555 | LIGHTNER EAST UNIT 1H | Blair County, PA | Gas Property | Sep 2025 |
| 4556 | LILLIAN NEAL | Armstrong County, PA | Gas Property | Dec 2024 |
| 4557 | LILLIE | Bradford County, PA | Gas Property | Sep 2025 |
| 4558 | LILLSTROM | Armstrong County, PA | Gas Property | Dec 2024 |
| 4559 | LILLY | Greene County, PA | Oil & Gas Property | Sep 2025 |
| 4560 | LIMESTONE RUN | Armstrong County, PA | Gas Property | Sep 2025 |
| 4561 | LINCOLN | Indiana County, PA | Gas Property | Dec 2024 |
| 4562 | LINCOLN WAREHOUSES INC 00 | Butler County, PA | Gas Property | Dec 2022 |
| 4563 | LIND | Clearfield County, PA | Gas Property | Dec 2024 |
| 4564 | LINDA MCDIVITT TURIN | Indiana County, PA | Oil & Gas Property | Dec 2024 |
| 4565 | LINDA WALKER | Jefferson County, PA | Oil & Gas Property | Dec 2024 |
| 4566 | LINDELL | Warren County, PA | Gas Property | Dec 2024 |
| 4567 | LINDELL | Warren County, PA | Oil & Gas Property | Dec 2024 |
| 4568 | LINDEN HALL | Fayette County, PA | Gas Property | Dec 2024 |
| 4569 | LINDLEY | Washington County, PA | Oil & Gas Property | Dec 2024 |
| 4570 | LINDLEY JOHN UNIT | Washington County, PA | Gas Property | Sep 2025 |
| 4571 | LINDSAY COAL MINING CO D | Jefferson County, PA | Gas Property | Dec 2024 |
| 4572 | LINDSEY | Warren County, PA | Oil & Gas Property | Dec 2020 |
| 4573 | LINDSEY COAL | Jefferson County, PA | Oil & Gas Property | Dec 2024 |
| 4574 | LINDSEY COAL | Indiana County, PA | Oil & Gas Property | Dec 2024 |
| 4575 | LINDSEY COAL | Indiana County, PA | Oil & Gas Property | Dec 2024 |
| 4576 | LINDSEY COAL MINING COMPANY 1 | Indiana County, PA | Oil & Gas Property | Dec 2024 |
| 4577 | LINES | Bradford County, PA | Gas Property | Jan 2025 |
| 4578 | LINGLE 1102 | Tioga County, PA | Gas Property | Sep 2025 |
| 4579 | LINSKI | Bradford County, PA | Gas Property | Sep 2025 |
| 4580 | LINVILLE WILSON 12692 | Washington County, PA | Gas Property | Sep 2025 |
| 4581 | LIONETTI | Bradford County, PA | Gas Property | Sep 2025 |
| 4582 | LIPPERT | Crawford County, PA | Oil & Gas Property | Sep 2025 |
| 4583 | LIPPINCOTT F 00 | Susquehanna County, PA | Gas Property | Sep 2025 |
| 4584 | LIPTAK | Fayette County, PA | Gas Property | Dec 2024 |
| 4585 | LISTON | Fayette County, PA | Gas Property | Dec 2024 |
| 4586 | LITKE | Centre County, PA | Gas Property | Dec 2024 |
| 4587 | LITKE | Centre County, PA | Gas Property | Sep 2025 |
| 4588 | LITKE UNIT | Centre County, PA | Gas Property | Sep 2025 |
| 4589 | LITTLE | Indiana County, PA | Gas Property | Dec 2024 |
| 4590 | LITTLE BOYD PROPERTIES | McKean County, PA | Oil Property | Dec 2021 |
| 4591 | LITTLE CLARA UNIT | Washington County, PA | Gas Property | Sep 2025 |
| 4592 | LITTLE FAWN | Lycoming County, PA | Gas Property | Sep 2025 |
| 4593 | LITTLE LEO CORP 1 | Jefferson County, PA | Oil & Gas Property | Dec 2024 |
| 4594 | LITTLE MAHONING BIBLE | Indiana County, PA | Gas Property | Dec 2024 |
| 4595 | LITTLE MIAM | McKean County, PA | Oil & Gas Property | Dec 2024 |
| 4596 | LITTLE RHL27 | Greene County, PA | Gas Property | Sep 2025 |
| 4597 | LITTLEFIELD 13 | Forest County, PA | Oil & Gas Property | Dec 2024 |
| 4598 | LIVEZEY | Warren County, PA | Oil & Gas Property | Dec 2019 |
| 4599 | LIZZIE M HYDE 50 | Elk County, PA | Oil & Gas Property | Dec 2024 |
| 4600 | LKM BRA | Bradford County, PA | Gas Property | Sep 2025 |